This topic was on TC and needs further research.Talking about decklids and were there always 2 sets of emblem holes for cars with spoilers. It's a long thread, but the summation is:

JohnZ posted:There was only one raw deck lid (for a Camaro) from the stamping plant, with the standard Camaro emblem holes pre-pierced in the dies. Spoiler holes (and the extra set of holes for the relocated Camaro emblem) were all "drill at assembly" in the Body Shop using an applied fixture that clamped to the deck lid.

The rear shelf panel/deck lid hinge subassembly (which required a different torsion bar for spoiler cars) was loaded early in the body framing line, before the cowl tag was installed; they knew from the body run sheet which units required D80.

I responded:That was true for 67-mid 69. But there are later 69 cars without the lower emblem holes.I think that the Firebird caused a process change. I think they then used one F-body decklid and drilled the holes (F-bird, T/A, Camaro, and Camaro with spoiler) in the body shop.

JohnZ said:Could well be - I left Norwood about a month before the Firebird production started, so I'm not familiar with any process changes the revised mix may have caused.

James posted: My theory is that the D80 changed to a decklid with no lower emblem piercings, thus ensuring that the lids were unpierced because the T/A spolier would not cover them like the camaro spolier would.

Several 02D cars with spoilers have 2 sets of emblem holes.An 07A and an 08A (later 69) cars only have one set of holes, which seems to support a process change.

Looking for more data from mid-year 69 cars with spoilers to support the process change and pin down when it happened.

My 04B LA Pace Car has just the one set of holes. My 04C LA Z/28 has both sets. Go figure. It's possible the dealer installed the spoiler on the Z/28 as the original owner told me that he didn't buy it off the lot until August of 1969.